1986 Cadillac Allante vs. 2004 Opel Signum
To start off, 2004 Opel Signum is newer by 18 year(s). Which means there will be less support and parts availability for 1986 Cadillac Allante. In addition, the cost of maintenance, including insurance, on 1986 Cadillac Allante would be higher. At 4,467 cc (8 cylinders), 1986 Cadillac Allante is equipped with a bigger engine. In terms of performance, 1986 Cadillac Allante (201 HP @ 4400 RPM) has 28 more horse power than 2004 Opel Signum. (173 HP @ 5500 RPM). In normal driving conditions, 1986 Cadillac Allante should accelerate faster than 2004 Opel Signum. With that said, vehicle weight also plays an important factor in acceleration. 1986 Cadillac Allante weights approximately 25 kg more than 2004 Opel Signum. So despite on having greater horse power, its additional weight may have an impact towards its acceleration in comparison.
Both vehicles are front wheel drive (FWD). Which offers better traction when its slippery than rear wheel drive vehicles. With that said, do keep in mind that many other factors such as speed and the wear on your tires can also have significant impact on traction and control. Let's talk about torque, 1986 Cadillac Allante (373 Nm @ 3200 RPM) has 108 more torque (in Nm) than 2004 Opel Signum. (265 Nm @ 2500 RPM). This means 1986 Cadillac Allante will have an easier job in driving up hills or pulling heavy equipment than 2004 Opel Signum. 1986 Cadillac Allante has automatic transmission and 2004 Opel Signum has manual transmission. 2004 Opel Signum will offer better control over acceleration and deceleration in addition to better fuel efficiency overall. 1986 Cadillac Allante will be easier to drive especially in heavy traffic.
Compare all specifications:
| 1986 Cadillac Allante | 2004 Opel Signum | |
| Make | Cadillac | Opel |
| Model | Allante | Signum |
| Year Released | 1986 | 2004 |
| Body Type | Convertible | Hatchback |
| Engine Position | Front | Front |
| Engine Size | 4467 cc | 1995 cc |
| Engine Cylinders | 8 cylinders | 4 cylinders |
| Engine Type | V | in-line |
| Horse Power | 201 HP | 173 HP |
| Engine RPM | 4400 RPM | 5500 RPM |
| Torque | 373 Nm | 265 Nm |
| Torque RPM | 3200 RPM | 2500 RPM |
| Engine Bore Size | 92 mm | 86 mm |
| Engine Stroke Size | 84 mm | 86 mm |
| Engine Compression Ratio | 9.0:1 | 9.5:1 |
| Fuel Type | Gasoline | Gasoline - Premium |
| Drive Type | Front | Front |
| Transmission Type | Automatic | Manual |
| Number of Seats | 2 seats | 5 seats |
| Number of Doors | 2 doors | 5 doors |
| Vehicle Weight | 1585 kg | 1560 kg |
| Vehicle Length | 4550 mm | 4640 mm |
| Vehicle Width | 1880 mm | 1800 mm |
| Vehicle Height | 1330 mm | 1470 mm |
| Wheelbase Size | 2530 mm | 2840 mm |
